package com.atguigu.yygh.order.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.yygh.enums.PaymentTypeEnum;
import com.atguigu.yygh.enums.RefundStatusEnum;
import com.atguigu.yygh.exception.YyghException;
import com.atguigu.yygh.model.order.OrderInfo;
import com.atguigu.yygh.model.order.PaymentInfo;
import com.atguigu.yygh.model.order.RefundInfo;
import com.atguigu.yygh.order.service.OrderService;
import com.atguigu.yygh.order.service.PaymentService;
import com.atguigu.yygh.order.service.RefundInfoService;
import com.atguigu.yygh.order.service.WeiXinService;
import com.atguigu.yygh.order.util.ConstantPropertiesUtils;
import com.atguigu.yygh.order.util.HttpClient;
import com.atguigu.yygh.result.ResultCodeEnum;
import com.github.wxpay.sdk.WXPayConstants;
import com.github.wxpay.sdk.WXPayUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author zr
 * @date 2021/12/22 20:28
 */
@Service
@Slf4j
public class WeiXinServiceImpl implements WeiXinService {
    @Resource
    private PaymentService paymentService;
    @Resource
    private OrderService orderService;
    @Resource
    private RedisTemplate redisTemplate;
    @Resource
    private RefundInfoService refundInfoService;

    /**
     * 根据订单 id 生成二维码 并设置参数
     *
     * @param orderId
     * @return
     */
    @Override
    public Map createNative(Long orderId) {
        Map payMap = (Map) redisTemplate.opsForValue().get(orderId.toString());
        if (null != payMap) return payMap;
        // 根据订单id查询订单信息
        OrderInfo order = orderService.getById(orderId);
        // 向支付记录表中添加支付记录
        paymentService.savePaymentInfo(order, PaymentTypeEnum.WEIXIN.getStatus());
        // 设置参数
        try {
            Map paramMap = new HashMap();
            paramMap.put("appid", ConstantPropertiesUtils.APPID);
            paramMap.put("mch_id", ConstantPropertiesUtils.PARTNER);
            paramMap.put("nonce_str", WXPayUtil.generateNonceStr());
            String body = order.getReserveDate() + "就诊" + order.getDepname();
            paramMap.put("body", body);
            paramMap.put("out_trade_no", order.getOutTradeNo());
            //paramMap.put("total_fee", order.getAmount().multiply(new BigDecimal("100")).longValue()+"");
            paramMap.put("total_fee", "1");
            paramMap.put("spbill_create_ip", "127.0.0.1");
            paramMap.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify");
            paramMap.put("trade_type", "NATIVE");
            //2、HTTPClient来根据URL访问第三方接口并且传递参数
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //client设置参数
            client.setXmlParam(WXPayUtil.generateSignedXml(paramMap, ConstantPropertiesUtils.PARTNERKEY));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            log.info("resultMap====" + resultMap);
            //4、封装返回结果集
            Map map = new HashMap<>();
            map.put("orderId", orderId);
            map.put("totalFee", order.getAmount());
            map.put("resultCode", resultMap.get("result_code"));
            map.put("codeUrl", resultMap.get("code_url"));
            if (null != resultMap.get("result_code")) {
                //微信支付二维码2小时过期，可采取2小时未支付取消订单
                redisTemplate.opsForValue().set(orderId.toString(), map, 1000, TimeUnit.MINUTES);
            }
            return map;
        } catch (Exception e) {
            e.printStackTrace();
            return new HashMap<>();
        }

    }

    /**
     * 查询支付状态
     *
     * @param orderId
     * @return
     */
    @Override
    public Map<String, String> queryPayStatus(Long orderId) {
        try {
            // 获取订单信息
            OrderInfo orderInfo = orderService.getById(orderId);
            // 封装参数
            Map paramMap = new HashMap<>();
            paramMap.put("appid", ConstantPropertiesUtils.APPID);
            paramMap.put("mch_id", ConstantPropertiesUtils.PARTNER);
            paramMap.put("out_trade_no", orderInfo.getOutTradeNo());
            paramMap.put("nonce_str", WXPayUtil.generateNonceStr());
            // 设置请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(paramMap, ConstantPropertiesUtils.PARTNERKEY));
            client.setHttps(true);
            client.post();
            // 返回第三方的数据 转成Map
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            log.info("resultMap--------" + resultMap);
            // 返回接口数据
            return resultMap;
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * 微信退款
     *
     * @param orderId
     * @return
     */
    @Override
    public Boolean refund(Long orderId) {
        // 退款时  先根据订单id 和支付类型得到支付记录 然后添加退款记录
        PaymentInfo paymentInfo = paymentService.getPaymentInfo(orderId, PaymentTypeEnum.WEIXIN.getStatus());
        // 添加退款记录
        RefundInfo refundInfo = refundInfoService.saveRefundInfo(paymentInfo);
        // 判断当前订单数据是否已经退款
        if (refundInfo.getRefundStatus().intValue() == RefundStatusEnum.REFUND.getStatus().intValue()) {
            return true;
        }
        try {
            // 调用微信接口实现退款
            // 封装所需要的参数
            Map<String, String> paramMap = new HashMap<>(8);
            // 公众账号ID
            paramMap.put("appid", ConstantPropertiesUtils.APPID);
            //商户编号
            paramMap.put("mch_id", ConstantPropertiesUtils.PARTNER);
            paramMap.put("nonce_str", WXPayUtil.generateNonceStr());
            //微信订单号
            paramMap.put("transaction_id", paymentInfo.getTradeNo());
            //商户订单编号
            paramMap.put("out_trade_no", paymentInfo.getOutTradeNo());
            //商户退款单号
            paramMap.put("out_refund_no", "tk" + paymentInfo.getOutTradeNo());
            paramMap.put("total_fee", "1");
            paramMap.put("refund_fee", "1");
            String paramXml = WXPayUtil.generateSignedXml(paramMap, ConstantPropertiesUtils.PARTNERKEY);
            // 调用接口
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/secapi/pay/refund");
            client.setXmlParam(paramXml);
            client.setHttps(true);
            client.setCert(true);
            client.setCertPassword(ConstantPropertiesUtils.PARTNER);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            if (WXPayConstants.SUCCESS.equalsIgnoreCase(resultMap.get("result_code"))) {
                refundInfo.setCallbackTime(new Date());
                refundInfo.setTradeNo(resultMap.get("refund_id"));
                refundInfo.setRefundStatus(RefundStatusEnum.REFUND.getStatus());
                refundInfo.setCallbackContent(JSONObject.toJSONString(resultMap));
                refundInfoService.updateById(refundInfo);
                return true;
            }
            return false;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}
